rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=581/1/0x4000000000000000 softirq=29182/29185 fqs=4529 (t=10500 jiffies g=37233 q=1720) NMI backtrace for cpu 0 CPU: 0 PID: 9408 Comm: syz.2.1641 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline] rcu_pending kernel/rcu/tree.c:3932 [inline] rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619 update_process_times+0x196/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:seqcount_lockdep_reader_access+0x1dc/0x220 include/linux/seqlock.h:106 Code: 00 4d 85 ed 75 16 e8 33 ab 10 00 eb 15 e8 2c ab 10 00 e8 27 9e c4 08 4d 85 ed 74 ea e8 1d ab 10 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00 RSP: 0018:ffffc900000073a0 EFLAGS: 00000246 RAX: ffffffff816faf53 RBX: 0000000000000000 RCX: ffff888076f29dc0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007458 R08: ffffffff816faf29 R09: fffffbfff20e2437 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000200 R14: 0000000000000046 R15: 1ffff92000000e74 ktime_get_with_offset+0x8c/0x320 kernel/time/timekeeping.c:872 ktime_get_real include/linux/timekeeping.h:79 [inline] __net_timestamp include/linux/skbuff.h:3946 [inline] netif_rx_internal+0x3f0/0x5d0 net/core/dev.c:4926 netif_rx+0x9d/0x3c0 net/core/dev.c:4978 veth_forward_skb drivers/net/veth.c:297 [inline] veth_xmit+0x61d/0xa60 drivers/net/veth.c:350 __netdev_start_xmit include/linux/netdevice.h:5019 [inline] netdev_start_xmit include/linux/netdevice.h:5033 [inline] xmit_one net/core/dev.c:3617 [inline] dev_hard_start_xmit+0x298/0x7a0 net/core/dev.c:3633 __dev_queue_xmit+0x1cee/0x3230 net/core/dev.c:4248 hsr_xmit net/hsr/hsr_forward.c:338 [inline] hsr_forward_do net/hsr/hsr_forward.c:429 [inline] hsr_forward_skb+0x133c/0x1b50 net/hsr/hsr_forward.c:577 send_hsr_supervision_frame+0x540/0xad0 net/hsr/hsr_device.c:326 hsr_announce+0x176/0x300 net/hsr/hsr_device.c:382 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1767 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:generic_exec_single+0x3d3/0x4d0 kernel/smp.c:532 Code: df eb 27 e8 0f d8 0b 00 0f 0b e9 58 fd ff ff e8 03 d8 0b 00 e8 fe ca bf 08 4d 85 ff 0f 84 5e ff ff ff e8 f0 d7 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c RSP: 0018:ffffc900030479e0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888076f29dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003047ab0 R08: ffffffff817481c2 R09: fffffbfff20e2439 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff92000608f40 R14: 0000000000000046 R15: 0000000000000200 smp_call_function_single+0x257/0x530 kernel/smp.c:755 task_function_call kernel/events/core.c:120 [inline] perf_install_in_context+0x6b6/0xa90 kernel/events/core.c:3016 __do_sys_perf_event_open kernel/events/core.c:12741 [inline] __se_sys_perf_event_open+0x3608/0x4510 kernel/events/core.c:12335 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fb7978dcff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb795d55038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fb797a94f80 RCX: 00007fb7978dcff9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000840 RBP: 00007fb79794f296 R08: 000000000000000b R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb797a94f80 R15: 00007ffc2324bcb8